What powers portacoeli.cz?
Last seen Sep 2026 · 7 technologies across 5 categories
Analytics
Google Analytics
since Apr 2020
Font scripts
Google Font API
since Nov 2020
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Webmail
Google Workspace
since Aug 2022
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 87% phone
- 13% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.16 / 10 · ranked #1,332,405 of all domains
26 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Google
- Weight: 1.3 MB · 31 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Google (216.239.32.21)
- DNS: forpsi.cz
- Email: Google Workspace
- Email security: no SPF record, no DMARC record, DNSSEC signed
- Common Crawl link graph: rank 13,159,802
DNS records as swept Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Closure Library Jan 2026
- dropped Google Sites Dec 2025